C22N1720 Premium Ultrabook Battery for ASUS ZenBook S UX391 Series
Power your ASUS ZenBook S ultrabook with our high-performance C22N1720 replacement battery - engineered for professionals who demand exceptional performance and extended productivity from their premium ultrabook
Key Features & Benefits
- High-Capacity Performance - 50Wh capacity delivers extended runtime for demanding professional work
- Perfect Compatibility - Specifically designed for ASUS ZenBook S UX391 and UX391UA ultrabook series
- Premium Li-ion Technology - Advanced lithium-ion cells for superior performance and longevity
- Easy Installation - Direct replacement for original C22N1720 battery with detailed installation guide
- Professional Warranty - 1-year manufacturer warranty for complete peace of mind
- Ultrabook Optimized - Lightweight design maintains the sleek profile of your ZenBook S
Technical Specifications
- Battery Model: C22N1720
- Capacity: 6500mAh / 50Wh
- Voltage: 7.7V
- Battery Type: Li-ion (Lithium-ion)
- Cell Quality: Made in China, high quality guarantee
- Color: Black
- Condition: Brand New Replacement Battery
- Warranty: 1 Year
Replace Part Numbers
This battery replaces the following part number: C22N1720
Compatible ASUS ZenBook S Models
ASUS ZenBook S UX391 Series:
- ASUS ZenBook S UX391U
- ASUS ZenBook S UX391UA
- ASUS ZenBook S UX391UA-1A
- ASUS ZenBook S UX391UA-3B
- ASUS ZenBook S UX391UA-EG007T
- ASUS ZenBook S UX391UA-EG019T
- ASUS ZenBook S UX391UA-EG023T
- ASUS ZenBook S UX391UA-EG062T
- ASUS ZenBook S UX391UA-EG064
Perfect for Premium Ultrabook Computing
- Extended Productivity - High-capacity battery supports hours of professional work and creative tasks
- Business Mobility - Reliable power for presentations, meetings, and mobile computing
- Ultra-Portable Design - Maintains the lightweight and slim profile of your ZenBook S
- Premium Performance - Optimized for ASUS ZenBook S's premium features and performance
Advanced Safety Features
- Overcharge protection prevents battery damage and extends lifespan
- Short circuit protection ensures safe operation
- Temperature control maintains optimal performance
- Voltage regulation provides stable power delivery to premium ultrabook components
Professional Installation Guide
- Preparation: Power down your ASUS ZenBook S completely and disconnect all cables
- Remove Back Cover: Remove the screws from the back cover and carefully separate it from the laptop
- Disconnect Old Battery: Gently pull the battery connector to disconnect the old C22N1720 battery
- Remove Battery: Unscrew the 6 battery mounting screws and lift the battery out
- Install New Battery: Place the new battery in position and secure with screws
- Reconnect: Connect the battery cable and replace the back cover
- First Charge: Charge fully before first use for optimal performance
Premium Quality Assurance
Our C22N1720 replacement battery is manufactured to meet or exceed ASUS original specifications for ZenBook S ultrabooks. Each battery undergoes comprehensive quality testing to ensure reliable performance for your premium ultrabook. We stand behind our product with a full 1-year warranty and professional customer support.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.High Quality Garanteed
Our battery products are manufactured using high-quality materials and advanced technology to ensure stability and reliability.
The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Shipping Methods
Ship To
Est. Delivery Time
Shipping Cost
Taxes & Fees
USPS
United States(No AK/HI, PR/GU, PO Boxes, or APO/FPO)
10-15 business days
Free
Free
Canada Post
Canada
10-15 business days
Free
Free
Royal Mail / Yodel
United Kingdom
15-20 business days
Free
Free
Local Carriers
Germany/Netherlands/Norway
15-20 business days
Free
Free
La Poste
France
15-20 business days
Free
Free
Local Carriers
Australia/New Zealand
15-20 business days
Free
Free
Correios
Mexico/Spain/IT
15-25 business days
Free
Free
Local Carriers
SE Asia / East Asia
5-10 business days
Free
Free
Local Carriers
Rest of Europe
20-25 business days
From $5.99
Free
Local Carriers
UAE / Saudi Arabia / Israel
16-20 business days
From $7.99
Free
Overseas Warehouse Shipping Times & Costs
Shipping Methods
Ship To
Est. Delivery
Shipping Cost
Taxes & Fees
US Warehouse
United States
3-7 business days
Free
Free
European Warehouse
EU countries
5-7 business days
€0 – €5.99
pricing varies by country
Free
UK Warehouse
United Kingdom
3-7 business days
Free
Free
Canada Warehouse
Canada
5-7 business days
Free
Free
Payment Methods
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
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WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
If you cannot use the above payment methods and the order amount exceeds HK$2000, please contact our customer service to obtain your bank account and pay via bank transfer.
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.